Robert R. Shepard

Follow

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Interface to and operation of a voice messaging system
- Patent number 5,117,451
- Issue date May 26, 1992
- VMX/OPCOM
- David J. Ladd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interface to and operation of a voice messaging system
- Patent number 4,926,462
- Issue date May 15, 1990
- VMX/OPCOM
- David J. Ladd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone station set with improved flash signalling
- Patent number 4,313,037
- Issue date Jan 26, 1982
- Rolm Corporation
- Robert R. Shepard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE